GQL Statement
SUM(
    V(CHILDREN(V(energy_power_hv_network_electricity)).select {|node| node.input_slots.detect { |slot| slot.carrier.coal? }}, "weighted_carrier_co2_per_mj * demand"),
    V(CHILDREN(V(energy_power_hv_network_electricity)).select {|node| node.input_slots.detect { |slot| slot.carrier.lignite? }}, "weighted_carrier_co2_per_mj * demand"),
    V(
        energy_heat_burner_coal,
        "weighted_carrier_co2_per_mj * demand"
    )
) / THOUSANDS
Result
| 2019 | 13,926,186.310090927 | tonne | 
| 2050 | 14,213,210.218963256 | tonne | 
Description
Characteristics
| Groups |  | 
| Unit | tonne | 
| File path | /app/tmp/etsource/gqueries/output_elements/output_series/sankey_190_co2/energy_coal_total_in_co2_sankey.gql | 
References